Numeric Style Textbox
From CShellVB http://www.cshellvb.com Change the style of a normal textbox so that it will only accept numbers. Better then evaluating keypress events and very fast. This call works on the fly and it is wrapped into a function for you.
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Kode Sumber
'This function changes the style based on the flag Public Sub SetNumber(NumberText As TextBox, Flag As Boolean) Dim curstyle As Long Dim newstyle As Long 'This Function uses 2 API functions to set the style of 'a textbox so it will only accept numbers CShell curstyle = GetWindowLong(NumberText.hwnd, GWL_STYLE) If Flag Then curstyle = curstyle Or ES_NUMBER Else curstyle = curstyle And (Not ES_NUMBER) End If newstyle = SetWindowLong(NumberText.hwnd, GWL_STYLE, curstyle) NumberText.Refresh End Sub
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