Author: Embarcadero USA
Question and Answer Database FAQ2293C.txt How to put a progress bar on a Status Bar ... Category :VCL Platform :All Product :C++Builder 3.x Question: How Do I put a Proress bar on a status bar. Answer: Here is an example: This is the form: object Form1: TForm1 Left = 191 Top = 108 Width = 226 Height = 140 Caption = 'Form1' Font.Charset = DEFAULT_CHARSET Font.Color = clWindowText Font.Height = -11 Font.Name = 'MS Sans Serif' Font.Style = [] OnCreate = FormCreate PixelsPerInch = 96 TextHeight = 13 object StatusBar1: TStatusBar Left = 0 Top = 94 Width = 218 Height = 19 Panels = SimplePanel = False OnResize = StatusBar1Resize end object Button1: TButton Left = 18 Top = 30 Width = 75 Height = 25 Caption = 'Button1' TabOrder = 1 OnClick = Button1Click end end //---------------------------------------------------------- This is unit1.cpp //--------------------------------------------------------------------------- #include #pragma hdrstop #include "Unit1.h" //--------------------------------------------------------------------------- #pragma package(smart_init) #pragma resource "*.dfm" TForm1 *Form1; //--------------------------------------------------------------------------- __fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) { } //--------------------------------------------------------------------------- void __fastcall TForm1::FormCreate(TObject *Sender) { ProgressBar = new TProgressBar ( StatusBar1 ); ProgressBar->Parent = StatusBar1; ProgressBar->Position = 0; ProgressBar->Visible = false; } //--------------------------------------------------------------------------- void __fastcall TForm1::StatusBar1Resize(TObject *Sender) { int Size = StatusBar1->Width; for ( int i = 1; i Panels->Count; i++ ) Size -= StatusBar1->Panels->Items[i]->Width; //resize the first panel based on the form width StatusBar1->Panels->Items[ 0 ]->Width = Size; RECT Rect; StatusBar1->Perform ( SB_GETRECT, 0, (LPARAM)&Rect ); ProgressBar->Top = Rect.top; ProgressBar->Left = Rect.left; ProgressBar->Width = StatusBar1->Panels->Items [ 0 ]->Width; ProgressBar->Height = Rect.bottom - Rect.top; } //--------------------------------------------------------------------------- void __fastcall TForm1::Button1Click(TObject *Sender) { ProgressBar->Show(); ProgressBar->Position = 50; } //--------------------------------------------------------------------------- Here is Unit1.h //--------------------------------------------------------------------------- #ifndef Unit1H #define Unit1H //--------------------------------------------------------------------------- #include #include #include #include #include //--------------------------------------------------------------------------- class TForm1 : public TForm { __published: // IDE-managed Components TStatusBar *StatusBar1; TButton *Button1; void __fastcall FormCreate(TObject *Sender); void __fastcall StatusBar1Resize(TObject *Sender); void __fastcall Button1Click(TObject *Sender); private: // User declarations TProgressBar *ProgressBar; public: // User declarations __fastcall TForm1(TComponent* Owner); }; //--------------------------------------------------------------------------- extern PACKAGE TForm1 *Form1; //--------------------------------------------------------------------------- #endif 7/2/98 10:32:32 AM
Article originally contributed by Alan Ellis
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