search:invalid pointer delphi相關網頁資料

- www.delphibasics.co.uk
  
  Delphi Basics : Null command
  
  Description The Null variable has an undefined value. Null does not mean a zero number or empty string - it is undefined. Any expression using a null variable will yield a null result. Null is particularly useful when handling SQL table data - providing a
  
  2024-07-15
  
  瀏覽：1440
- rvelthuis.de
  
  Rudy's Delphi Corner - Addressing Pointers
  
  Nil Thou shalt not follow the NULL pointer, for chaos and madness await thee at its end. — Henry Spencer Nil is a special pointer value. It can be assigned to any kind of pointer. It stands for the empty pointer (nil is Latin short for nihil, which means
  
  2024-07-17
  
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Delphi Basics : Raise command

日期：2024-07-17

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Delphi threading by example - Embarcadero Developer Network Home Page

日期：2024-07-20

Handling messages sent to a form is simple in Delphi. You just have to declare a procedure with the following prototype: procedure(var Message:TMessage). This procedure must be declared as a method of your form class. By using the message directive you .....

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Category Archives: WinApi - The Road to Delphi - a Blog about programming | Delphi – Free

日期：2024-07-16

This is the part 3 of the Exploring Delphi XE3 – WinApi Additions – Winapi.Functiondiscovery Article. The Function Discovery API can be used not just for enumerate devices also you can receive notifications as well, like when a device is added, removed or...

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Delphi Discussion Boards - CodeProject - CodeProject - For those who code

日期：2024-07-15

Delphi discussions; Updated: 26 Nov 2014 ... thanks for guide i will looking component that control custom image that propertis hover ,over click color and ,... , and that espical efect .i was download graphic32 but i have n't control . i want looking com...

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Delphi Basics Projects - DelphiBasics

日期：2024-07-17

Ultimate Delphi Resource from DelphiBasics. Delphi tips and tricks. Project Tutorials. Delphi and Pascal source code samples. Free applications and components with source code. ... The user who bought the commercial program cannot change it, and therefore...

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delphi - EInvalidPointer message with 'Invalid Pointer ...

日期：2024-07-16

2013年1月18日 - I have been caught out by this type of "indicated error" during Delphi debugging. Check if you have any watched variables with "Allow Function Calls" ......

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Delphi XE3 Invalid Pointer when trying to free FSQL ...

日期：2024-07-19

2014年7月22日 - You are (most probably) double freeing a stringlist (and never freeing at least one). The problem is in the setter of your 'SQL' property (which is backed ......

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delphi - Invalid pointer operation in TMonitor.Destroy - Stack ...

日期：2024-07-20

2010年1月14日 - There are two TMonitor in Delphi: System.TMonitor; which is a record, and is used for thread synchronization. Forms.TMonitor; which is a class ......

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