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Background color in picture object inside a userobject
  1. Issue
0 Votes
  1. Sivaprakash BKR
  2. PowerBuilder
  3. Saturday, 18 November 2017 05:47 AM UTC

Hello,

Issue 1 :

  1. Create a new user object
  2. Insert one picture control and one static text controls
  3. Enter a picture name for picture control and give a title in static text.
    1. This picture need to be a transparent picture
  4. Now the picture's background color and window's background color's are same
  5. Now change the background color of the window.  Window background color changes, not of picture's and static text's
  6. Close the window and re-open
  7. Now picture's background color also got changed.  

        Why we need to close and re-open the window to see the changed effect ?   

Issue 2

  1. Now in the constructor of the user object I change the background color of the window.  Run it and we could see the effect of change
  2. Now in the mousemove event / get focus event, I change the color of the window's background color, only window's background color gets changed, not of picture's.    Code given below
    1. Local External Function
      1. FUNCTION uint SetCapture(uint a_hWnd) LIBRARY "USER32.DLL"
        SUBROUTINE ReleaseCapture() LIBRARY "USER32.DLL"
    2. Instance variables
      1. Long il_backcolor =  RGB(87,116,146)
        Long il_focuscolor = RGB(22,160,133)
         
        Long il_rc // Work Var for Return Code.
        Integer ii_rc // Work Var for Return Code.
        Boolean ib_rc // Work var for Return Code.
         
        Long il_MinX, il_MaxX, il_MinY, il_MaxY, il_x, il_y, il_width, il_height
         
        Boolean ib_captured
    3. Constructor event of the UO

      1. il_Minx = This.X
        il_MaxX = This.X + This.Width
        il_MinY = This.Y
        il_MaxY = This.Y + This.Height

        il_X = This.X
        il_Y = This.Y
        il_Width = This.Width
        il_Height = This.Height

        This.Backcolor = il_backcolor
        st_1.Backcolor = il_backcolor

    4.  

      Mouemove event  of static text control and picture button control (pbm_mousemove)

      If Not ib_captured Then

      ib_captured = True
      SetCapture(Handle(This))
      st_1.BackColor = il_focuscolor
      This.Backcolor = il_focuscolor
      Parent.Backcolor = il_focuscolor
      Else 
      0 and xpos 0 and ypos
      If Not ib_captured Then
      ReleaseCapture()
      st_1.Backcolor = il_backcolor 
      This.Backcolor = il_backcolor
      Parent.Backcolor = il_backcolor
      End If
      End If

      When mouse moves over the static text or picture control, back color of every object changes, including the windows, but not of picture's.   

Any thing I need to do, the change of back color of the picture control ?  Changing the back color of the window in the editor or at the constructor event gives the correct effect not at run time.  Is it a bug or I'm missing anything ?

 

Happiness Always

BKR Sivaprakash

 

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