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Let Users Resize Your Controls

Let Users Resize Your Controls

You can allow users to resize a control?just like in VB design mode?with a mouse, using two simple API calls. You can resize the control?top-left, top, top-right, left, right, bottom-left, bottom, and right. When you make ranges for the mouse coordinates (such as x>0 and x Private Declare Function ReleaseCapture Lib _ "user32" () As LongPrivate Declare Function SendMessage Lib _ "user32" Alias "SendMessageA" (ByVal hWnd _ As Long, ByVal wMsg As Long, ByVal wParam _ As Long, lParam As Any) As LongPrivate Const WM_NCLBUTTONDOWN = &HA1' You can find more of these (lower) in the API Viewer. Here ' they are used only for resizing the left and right.Private Const HTLEFT = 10Private Const HTRIGHT = 11Private Sub Picture1_MouseDown(Button As _ Integer, Shift As Integer, X As Single, Y As Single) Dim nParam As Long With Picture1 ' You can change these coordinates to whatever ' you want If (X > 0 And X .Width - 100 And X 0 And X Picture1.Width - 100 And X Picture1.MousePointer Then Picture1.MousePointer = NewPointer End IfEnd Sub

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