To stop the selection bar on a data-bound grid from moving when navigating through records in the boundRDC or the rows on the grid, use the API call LockWindowUpdate(gridname.hwnd) before
“Send a Message” (Windows Programming, by Jonathan Zuck,VBPJ December 1995), a great example of code usable ina text editor, mentions three ways to code the Clipboard functionsusing SendMessage, VB’s Clipboard
By default, VB list boxes use any keyboard input to find the firstitem beginning with the pressed letter. Where the number of itemsin a list box is large (>100), this
This subroutine shows how byte arrays can speed a search though a file.The routine is called with the file name, a string to look for, a flagthat tells it to
Running applications written in VB3 in the WIN95 OS is not always aclean conversion. This code would work fine in Windows for Workgroups 3.11,but would GPF in WIN95. SS3D2.VBX, which
When loading a form, reduce the “flicker” and “flash” of the GUI by using these Windows API functions: ‘Declarations Section#If Win32 Then Declare Function LockWindowUpdate _ Lib “user32” _ (ByVal
To have a program programmatically close another program, use this code: ‘ Close an existing program Title = “VBApp” ihWnd = FindWindow(0&, Title) ihTask = GetWindowTask(ihWnd) iRet = PostAppMessage(ihTask, WM_QUIT,
Optional parameters are a great new feature in VB4, but the ParamArraykeyword is an overlooked addition to function and subroutine declarations.The ParamArray keyword allows an unspecified number of Variantparameters to
When a control is deleted from a form, any code behind that controlis not deleted. It still exists in the code in the General area. Such strandedcode might not be