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Reference Guide
demoshelp.C File Reference

Detailed Description

This macro shows help on running the Demos.

void demoshelp() {
new TCanvas("chelp","Help to run demos",200,10,700,500);
TPaveText *welcome = new TPaveText(.1,.8,.9,.97);
welcome->AddText("Welcome to the ROOT demos");
TPaveText *hdemo = new TPaveText(.05,.05,.95,.7);
hdemo->AddText("- Run demo hsimple.C first. Then in any order");
hdemo->AddText("- Click left mouse button to execute one demo");
hdemo->AddText("- Click right mouse button to see the title of the demo");
hdemo->AddText("- Click on 'Close Bar' to exit from the demo menu");
hdemo->AddText("- Select 'File/Print' to print a Postscript view of the canvas");
hdemo->AddText("- You can execute a demo with the mouse or type commands");
hdemo->AddText("- During the demo (try on this canvas) you can :");
hdemo->AddText(" .... Use left button to move/grow/etc objects");
hdemo->AddText(" .... Use middle button to pop overlapping objects");
hdemo->AddText(" .... Use right button to get an object sensitive pop-up");
hdemo->AddText(" ");
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition: TAttFill.h:37
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
Definition: TAttText.h:41
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Definition: TAttText.h:43
virtual void SetTextFont(Font_t tfont=62)
Set the text font.
Definition: TAttText.h:45
The Canvas class.
Definition: TCanvas.h:23
A Pave (see TPave) with text, lines or/and boxes inside.
Definition: TPaveText.h:21
virtual TText * AddText(Double_t x1, Double_t y1, const char *label)
Add a new Text line to this pavetext at given coordinates.
Definition: TPaveText.cxx:183
virtual void Draw(Option_t *option="")
Draw this pavetext with its current attributes.
Definition: TPaveText.cxx:234
virtual void SetAllWith(const char *text, Option_t *option, Double_t value)
Set attribute option for all lines containing string text.
Definition: TPaveText.cxx:880
Rene Brun

Definition in file demoshelp.C.