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Novice asked hundreds of cases of classroom Delphi7 introduction to programming the first small exam

Time:09-27



What's the matter with the underline red

CodePudding user response:

Say no edit defined. Whether the text frame's name is wrong, and see what is inside the text frame's name, hope to have help,

CodePudding user response:

Are you from example, copy the code?

Should be from a toolbar, the drop-down to join two TEdit, respectively Edit1, Edit2, give it a try

CodePudding user response:

A beginner, you control, control and code name you up

CodePudding user response:

Drag the red line of code has a problem, find the source,

CodePudding user response:

Form did not add Edit1 Edit2 two text box control

CodePudding user response:

Form the above lack of consistent name text box control

CodePudding user response:

Found no edit1 and edit2 this two controls, in the control bar to add an edit control is ok,

CodePudding user response:

Do you want to put a button on the form, and then click the button, add your code to button clicks in the process, and put two edit to form, to run with respect to ok
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