DelphiDelphiVCLPythonPython GUIWindows

Write a String inside a Clipping Rectangle using TextRect

We use TextRect to write a string inside a clipping rectangle or within a limited rectangular region. Any portions of the string that fall outside the rectangle passed in the Rect parameter are clipped and don’t appear. The upper left corner of the text is placed at the point (X, Y). Here is the working example of the implementation of an OnClose event like in the Section 7 (Getting…
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DelphiDelphiVCLPythonPython GUIWindows

OnDrawCell Event in DelphiVCL Library

OnDrawCell event Occurs when a cell in the grid needs to be drawn. We write an OnDrawCell event handler to draw the contents of all the cells in the grid. Draw on the cell using the methods of the Canvas property. The Rect parameter indicates the location of the cell on the canvas. The Col and Row parameters indicate the column and row indexes of the cell that should be drawn. The State…
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DelphiDelphiVCLPythonPython GUIWindows

Understanding DelphiVCL.Application.BiDiMode

BiDiMode property or DelphiVCL.Application.BiDiMode is used to indicate the layout of the application when running under Middle Eastern versions of Windows. Use BiDiMode to specify the bi-directional mode for the application. The bi-directional mode controls the direction in which text appears (left-to-right or right-to-left), the placement of vertical scroll bars, and the default alignment…
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DelphiDelphiVCLPythonPython GUIWindows

Learn About DelphiVCL.Application.BeforeDestruction

BeforeDestruction method or DelphiVCL.Application.BeforeDestruction is used to respond before the first destructor executes. BeforeDestruction is called automatically before the object’s first destructor executes. Do not call it explicitly in your applications. The BeforeDestruction method implemented in TObject does nothing. Override this method when creating a class that…
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