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Old 06-07-2005, 11:39 AM   #1
vsap
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Cool How to display a message while generating report..

Hello guys,
I have created a form which generates the data into new access database,now I have to show a message "Processing" while data gets generated. And when its done this message should go away by itself,so any suggestion please let me know.

Hope to get answer..

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Old 06-07-2005, 07:25 PM   #2
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Open your access database and go in to the CODE view, select help and read the SysCmd Method. Below is the full listing of what it does.

You can use the SysCmd method to perform one of the following functions:

Display a progress meter or optional specified text in the status bar.


Return information about Microsoft Access and its associated files.


Return the state of a specified database object to indicate whether the object is open, is a new object, or has been changed but not saved.

For example, if you are building a custom wizard that creates a new form, you can use the SysCmd method to display a progress meter indicating the progress of your wizard as it constructs the form.

Syntax

ReturnValue = SysCmd(action[, text][, value])

ObjectState = SysCmd(action[, objecttype][, objectname])

The SysCmd method has the following arguments.

Argument Description
action One of the following intrinsic constants identifying the type of action to take.
The following set of constants applies to a progress meter. The SysCmd method returns a Null if these actions are successful. Otherwise, Microsoft Access generates a run-time error.
acSysCmdInitMeter Initializes the progress meter. You must specify the text and value arguments when you use this action.
acSysCmdUpdateMeter Updates the progress meter with the specified value. You must specify the text argument when you use this action.
acSysCmdRemoveMeter Removes the progress meter.
acSysCmdSetStatus Sets the status bar text to the text argument.
acSysCmdClearStatus Resets the status bar text.
The following set of constants provides information about Microsoft Access.
acSysCmdRuntime Returns True (1) if a run-time version of Microsoft Access is running.
acSysCmdAccessVer Returns the version number of Microsoft Access.
acSysCmdIniFile Returns the name of the .ini file associated with Microsoft Access.
acSysCmdAccessDir Returns the name of the directory where Msaccess.exe is located.
acSysCmdProfile Returns the /profile setting specified by the user when starting Microsoft Access from the command line.
acSysCmdGetWorkgroupFile Returns the path to the workgroup file (System.mdw).
acSysCmdClearHelpTopic
The following constant provides information on the state of a database object.
acSysCmdGetObjectState Returns the state of the specified database object. You must specify the objecttype and objectname parts when you use this action value.
text A string expression identifying the text to be displayed left-aligned in the status bar. This argument is required when the action argument is acSysCmdInitMeter, acSysCmdUpdateMeter, or acSysCmdSetStatus; this argument isn't valid for other action argument values.
value A numeric expression that controls the display of the progress meter. This argument is required when the action argument is acSysCmdInitMeter; this argument isn't valid for other action argument values.
objecttype One of the following intrinsic constants:
acTable
acQuery
acForm
acReport
acMacro
acModule
acDataAccessPage
acDefault
acDiagram
acServerView
acStoreProcedure
This argument is required when the action argument is acSysCmdGetObjectState; this argument isn't valid for other action argument values.
objectname A string expression that is the valid name of a database object of the type specified by the objecttype argument. This argument is required when the action argument is acSysCmdGetObjectState; this argument isn't valid for other action argument values.


Remarks

By calling the SysCmd method with the various progress meter actions, you can display a progress meter in the status bar for an operation that has a known duration or number of steps, and update it to indicate the progress of the operation.

To display a progress meter in the status bar, you must first call the SysCmd method with the acSysCmdInitMeter action argument, and the text and value arguments. When the action argument is acSysCmdInitMeter, the value argument is the maximum value of the meter, or 100 percent.

To update the meter to show the progress of the operation, call the SysCmd method with the acSysCmdUpdateMeter action argument and the value argument. When the action argument is acSysCmdUpdateMeter, the SysCmd method uses the value argument to calculate the percentage displayed by the meter. For example, if you set the maximum value to 200 and then update the meter with a value of 100, the progress meter will be half-filled.

You can also change the text that's displayed in the status bar by calling the SysCmd method with the acSysCmdSetStatus action argument and the text argument. For example, during a sort you might change the text to "Sorting...". When the sort is complete, you would reset the status bar by removing the text. The text argument can contain approximately 80 characters. Because the status bar text is displayed by using a proportional font, the actual number of characters you can display is determined by the total width of all the characters specified by the text argument.

As you increase the width of the status bar text, you decrease the length of the meter. If the text is longer than the status bar and the action argument is acSysCmdInitMeter, the SysCmd method ignores the text and doesn't display anything in the status bar. If the text is longer than the status bar and the action argument is acSysCmdSetStatus, the SysCmd method truncates the text to fit the status bar.

You can't set the status bar text to a zero-length string (" "). If you want to remove the existing text from the status bar, set the text argument to a single space. The following examples illustrate ways to remove the text from the status bar:

varReturn = SysCmd(acSysCmdInitMeter, " ", 100)
varReturn = SysCmd(acSysCmdSetStatus, " ")If the progress meter is already displayed when you set the text by calling the SysCmd method with the acSysCmdSetStatus action argument, the SysCmd method automatically removes the meter.

Call the SysCmd method with other actions to determine system information about Microsoft Access, including which version number of Microsoft Access is running, whether it is a run-time version, the location of the Microsoft Access executable file, the setting for the /profile argument specified in the command line, and the name of an .ini file associated with Microsoft Access.

Note Both general and customized settings for Microsoft Access are now stored in the Windows Registry, so you probably won't need an .ini file with your Microsoft Access application. The acSysCmdIniFile action argument exists for compatibility with earlier versions of Microsoft Access.

Call the SysCmd method with the acSysCmdGetObjectState action argument and the objecttype and objectname arguments to return the state of a specified database object. An object can be in one of four possible states: not open or nonexistent, open, new, or changed but not saved.

For example, if you are designing a wizard that inserts a new field in a table, you need to determine whether the structure of the table has been changed but not yet saved, so that you can save it before modifying its structure. You can check the value returned by the SysCmd method to determine the state of the table.

The SysCmd method with the acSysCmdGetObjectState action argument can return any combination of the following constants.

Constant State of database object Value
acObjStateOpen Open 1
acObjStateDirty Changed but not saved 2
acObjStateNew New 4


Note If the object referred to by the objectname argument is either not open or doesn't exist, the SysCmd method returns a value of zero.
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